Method and apparatus for resizing torque converter impeller driv

Details Method and apparatus for resizing torque converter impeller driv Method and apparatus for resizing torque converter impeller driv

1978-11-24

1980-07-15

Larson, Lowell A.

Metal deforming

By relatively receding work-engaging tool-faces

Embodying three or more tools

72340, 2940221, B21D 3908

Patent

active

042121876

ABSTRACT:
A method and apparatus for resizing torque converter impeller drive shafts. The method comprises the steps of heating the hollow drive shaft to a malleable state, radially expanding the drive shaft to a dimension larger than its original diameter, and grinding and polishing the outside of the drive shaft to its original size. The apparatus comprises a power drive tool for radially expanding a worn drive shaft to a diameter larger than its original diameter.

REFERENCES:
patent: 1680650 (1928-08-01), Travis
patent: 1722389 (1929-07-01), Opie et al.

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